Problem as entered:
15 - 191010
In 15, multiply the whole number, '1', by the denominator of the fraction, '10' to get '10'. This shows that the whole number represents
10.1010
To find the numerator when this mixed number is shown as an improper fraction, use addition.
10 + 5 = 15101010
In 19, multiply the whole number, '1', by the denominator of the fraction, '10' to get '10'. This shows that the whole number represents
10.1010
To find the numerator when this mixed number is shown as an improper fraction, use addition.
10 + 9 = 19101010
The addition is now simpler because the whole numbers have been eliminated, leaving only two fractions.
15 - 191010
Subtract the numerators.
-410
Simplify fraction -4/10 by dividing out the greatest common factor of 2 from the numerator and denominator.
-4 = -2105
